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'\" t
.\" $OpenBSD: menu_items.3,v 1.9 2023/10/17 09:52:10 nicm Exp $
.\"
.\"***************************************************************************
.\" Copyright 2018-2022,2023 Thomas E. Dickey *
.\" Copyright 1998-2012,2015 Free Software Foundation, Inc. *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" copy of this software and associated documentation files (the *
.\" "Software"), to deal in the Software without restriction, including *
.\" without limitation the rights to use, copy, modify, merge, publish, *
.\" distribute, distribute with modifications, sublicense, and/or sell *
.\" copies of the Software, and to permit persons to whom the Software is *
.\" furnished to do so, subject to the following conditions: *
.\" *
.\" The above copyright notice and this permission notice shall be included *
.\" in all copies or substantial portions of the Software. *
.\" *
.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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.\" holders shall not be used in advertising or otherwise to promote the *
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.\"***************************************************************************
.\"
.\" $Id: menu_items.3,v 1.9 2023/10/17 09:52:10 nicm Exp $
.TH menu_items 3 2023-07-01 "ncurses 6.4" "Library calls"
.SH NAME
\fBset_menu_items\fP,
\fBmenu_items\fP,
\fBitem_count\fP \- make and break connections between items and menus
.SH SYNOPSIS
\fB#include <menu.h>\fP
.sp
\fBint set_menu_items(MENU *\fImenu\fB, ITEM **\fIitems\fB);\fR
.br
\fBITEM **menu_items(const MENU *\fImenu\fB);\fR
.br
\fBint item_count(const MENU *\fImenu\fB);\fR
.SH DESCRIPTION
The function \fBset_menu_items\fP changes the item pointer array of the given
\fImenu\fP. The array must be terminated by a \fBNULL\fP.
.PP
The function \fBmenu_items\fP returns the item array of the given menu.
.PP
The function \fBitem_count\fP returns the count of items in \fImenu\fP.
.SH RETURN VALUE
The function \fBmenu_items\fP returns a pointer (which may be \fBNULL\fP).
It does not set \fBerrno\fP.
.PP
The function \fBitem_count\fP returns \fBERR\fP (the general \fBcurses\fP error
return value) if its \fImenu\fP parameter is \fBNULL\fP.
.PP
The function \fBset_menu_items\fP returns one of the following codes on error:
.TP 5
.B E_OK
The routine succeeded.
.TP 5
.B E_BAD_ARGUMENT
Routine detected an incorrect or out-of-range argument.
.TP 5
.B E_NOT_CONNECTED
No items are connected to the menu.
.TP 5
.B E_POSTED
The menu is already posted.
.TP 5
.B E_SYSTEM_ERROR
System error occurred (see \fBerrno\fP(3)).
.
.SH SEE ALSO
\fBcurses\fP(3), \fBmenu\fP(3).
.SH NOTES
The header file \fB<menu.h>\fP automatically includes the header file
\fB<curses.h>\fP.
.SH PORTABILITY
These routines emulate the System V menu library.
They were not supported on
Version 7 or BSD versions.
.PP
The SVr4 menu library documentation specifies the \fBitem_count\fP error value
as \-1 (which is the value of \fBERR\fP).
.SH AUTHORS
Juergen Pfeifer.
Manual pages and adaptation for new curses by Eric S. Raymond.
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